<template>
  <div style="border: 1px solid #ccc">
    <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" :defaultConfig="toolbarConfig" mode="default" />
    <Editor
      style="height: 500px; overflow-y: hidden"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      mode="default"
      @onCreated="handleCreated"
    />
  </div>
</template>
<script setup lang="ts">
import { onBeforeUnmount, ref, shallowRef, onMounted, watch } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
import { IEditorConfig } from '@wangeditor/editor'

// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef()
// 内容 HTML
const valueHtml = ref('')
interface Props {
  modelValue: string
}
const props = defineProps<Props>()

const emit = defineEmits<{
  (e: 'update:modelValue', val: string): void
  (e: 'upload', file: File, done: (url: string) => void): void
}>()

watch(
  () => props.modelValue,
  val => {
    valueHtml.value = val
  },
  {
    immediate: true
  }
)

watch(
  () => valueHtml.value,
  val => {
    emit('update:modelValue', val)
  }
)

const toolbarConfig = {}
const editorConfig: Partial<IEditorConfig> = {
  placeholder: '请输入内容...',
  MENU_CONF: {}
}

editorConfig.MENU_CONF['uploadImage'] = {
  // 自定义上传
  async customUpload(file: File, insertFn: Function) {
    emit('upload', file, url => insertFn(url))
  }
}

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value
  if (editor == null) return
  editor.destroy()
})

const handleCreated = (editor: any) => {
  editorRef.value = editor // 记录 editor 实例，重要！
}
</script>

<style lang="scss" scoped></style>
